The device was returned for analysis.The reported defective device (oversized balloon) was not confirmed.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no similar incidents from this lot.The investigation was unable to determine a conclusive cause for the reported defective device (oversized).There is no indication of a product quality issue with respect to manufacture, design or labeling.
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